General
- Target 662bcd1f5ad0f99508002d4562f42869.exe
- Size 233KB
- Sample240209-s1cgfaeb96
- SHA256 782bdfd0de0d78f62dc62dbfc64e50e0f1dbaecf04340fdd41aa2da00e0ccdbc
- MD5 662bcd1f5ad0f99508002d4562f42869
- SHA1 4e1d6a634ad1de7a5cbbb4f0cc02280c5b01e832
- SHA512 7e76bed5e1274e73722c51589f32e445c9ca6f59c1a2e8f460b16890aa615387e08eaab812ff21e82dbe78479054678e004ab3134195b7e4bc596ca0258996e2
- SSDEEP 3072:RNS+H6SLytAwHtxNIN3N3QRlCR/rjbeIXMoZjnO34Gtgc9t8Xk+5YQ0o/8B:1aSLy7tML3QRlYrjVDL1c9eAQ9
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
662bcd1f5ad0f99508002d4562f42869.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
662bcd1f5ad0f99508002d4562f42869.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
-
smokeloader
-
2022
-
http://selebration17io.io/index.php
-
http://vacantion18ffeu.cc/index.php
-
http://valarioulinity1.net/index.php
-
http://buriatiarutuhuob.net/index.php
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http://cassiosssionunu.me/index.php
-
http://sulugilioiu19.net/index.php
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http://goodfooggooftool.net/index.php
-
http://legdfls2369.com/index.php
-
http://fpodsp0532xc.com/index.php
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http://gucc352093520.com/index.php
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http://sjyey.com/tmp/index.php
-
http://babonwo.ru/tmp/index.php
-
http://mth.com.ua/tmp/index.php
-
http://piratia.pw/tmp/index.php
-
http://go-piratia.ru/tmp/index.php
Extracted
-
smokeloader
-
autm
Extracted
-
smokeloader
-
pub1
Extracted
-
amadey
-
4.14
-
http://anfesq.com
-
http://cbinr.com
-
http://rimakc.ru
-
install_dir
68fd3d7ade
-
install_file
Utsysc.exe
-
strings_key
27ec7fd6f50f63b8af0c1d3deefcc8fe
-
url_paths
/forum/index.php
Targets
-
- Target 662bcd1f5ad0f99508002d4562f42869.exe
- Size 233KB
- SHA256 782bdfd0de0d78f62dc62dbfc64e50e0f1dbaecf04340fdd41aa2da00e0ccdbc
- MD5 662bcd1f5ad0f99508002d4562f42869
- SHA1 4e1d6a634ad1de7a5cbbb4f0cc02280c5b01e832
- SHA512 7e76bed5e1274e73722c51589f32e445c9ca6f59c1a2e8f460b16890aa615387e08eaab812ff21e82dbe78479054678e004ab3134195b7e4bc596ca0258996e2
- SSDEEP 3072:RNS+H6SLytAwHtxNIN3N3QRlCR/rjbeIXMoZjnO34Gtgc9t8Xk+5YQ0o/8B:1aSLy7tML3QRlYrjVDL1c9eAQ9
- MD5 SHA1 SHA512 SSDEEP
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Glupteba payload
-
Modifies boot configuration data using bcdedit
-
XMRig Miner payload
-
Creates new service(s)
-
Downloads MZ/PE file
-
Modifies Windows Firewall
-
Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
-
Stops running service(s)
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Deletes itself
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
-
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
Impair Defenses
5Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
4Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1